A：Good morning
B：MOrning
A：DO you want to have a look at our new product（mp3）,it is in excellent quality,and moreover,we are currently holding a promotion campaign ,so it is really worth the money!
B：ok,let me see.en,it has attractive appearance,but can i turn it on and have a try?
A：Of course~Go ahead please.
B：en,i find it is really user-friendly!And how much do you sell it?
A：10 pounds sir.Only half of the original one.
B：I find it is still a little bit expensive~but i will take it!Here is 10 pounds~
B：Thank you indeed~~~~~Here is your mp3~If you have any problems you can call number9999,and you will have our immediate aftersale service~
A：Good~Thank you very much.Bye
B：Bye